/* ═══════════════════════════════════════════════════════
   GhostDroid Website — Dark Tech Theme
   Inspired by swarmote.com layout
   ═══════════════════════════════════════════════════════ */

/* ── Reset & Tokens ──────────────────────────────────── */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --surface: #1e1e2a;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(99, 179, 237, 0.25);

  --accent: #4facfe;
  --accent-alt: #00f2fe;
  --accent-glow: rgba(79, 172, 254, 0.15);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --danger: #f56565;
  --success: #48bb78;
  --warning: #ecc94b;

  --text-primary: #f0f0f5;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-section: clamp(4rem, 3rem + 5vw, 8rem);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

  --hero-text: clamp(2.8rem, 1rem + 6vw, 5.5rem);
  --heading-lg: clamp(2rem, 1rem + 3vw, 3.2rem);
  --heading-md: clamp(1.4rem, 1rem + 1.5vw, 2rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.1rem);
  --text-sm: 0.875rem;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration-fast);
}

a:hover { color: var(--accent-alt); }

img { max-width: 100%; height: auto; display: block; }

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

ul { list-style: none; }

/* ── Utility ─────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.section-label svg {
  width: 18px;
  height: 18px;
}

.section-title {
  font-size: var(--heading-lg);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--duration-normal) var(--ease-out-expo);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #0a0a0f;
  box-shadow: 0 4px 20px rgba(79, 172, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79, 172, 254, 0.45);
  color: #0a0a0f;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* ── Navbar ──────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--duration-normal);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  filter: drop-shadow(0 0 6px rgba(0, 255, 170, 0.3));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-download {
  color: var(--accent) !important;
  font-weight: 600 !important;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-normal);
}

/* ── Mobile Nav ──────────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal);
}

.mobile-nav.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.mobile-nav a:hover {
  color: var(--text-primary);
}

.mobile-nav-close {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  background: none;
  color: var(--text-primary);
  font-size: 2rem;
  line-height: 1;
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-gradient {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(79, 172, 254, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 100%);
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 4rem;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--accent-glow);
  border: 1px solid rgba(79, 172, 254, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: var(--space-lg);
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: var(--hero-text);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-xl);
}

.hero-bullets li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-base);
  color: var(--text-secondary);
}

.hero-bullets .check-icon {
  width: 20px;
  height: 20px;
  color: var(--success);
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-video-wrap {
  width: 520px;
  max-width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid var(--border);
  box-shadow:
    0 0 60px rgba(79, 172, 254, 0.08),
    0 25px 50px rgba(0, 0, 0, 0.5);
  position: relative;
}

.hero-video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-xl);
}

.floating-badge {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  animation: float 6s ease-in-out infinite;
}

.floating-badge.badge-1 {
  top: 5%;
  right: -10%;
  animation-delay: 0s;
}

.floating-badge.badge-2 {
  top: 8px;
  left: 8px;
  animation: none;
  z-index: 2;
}

.floating-badge.badge-3 {
  top: 40%;
  right: -18%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ── Platform Logos ──────────────────────────────────── */
.platforms {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.platforms-label {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.platform-scroll {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.platform-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  opacity: 0.5;
  transition: opacity var(--duration-normal);
}

.platform-item:hover {
  opacity: 1;
}

.platform-item svg {
  width: 32px;
  height: 32px;
}

.platform-item span {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Feature Sections (general) ──────────────────────── */
.feature-section {
  padding: var(--space-section) 0;
}

.feature-section .container {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.feature-section.reverse .container {
  flex-direction: row-reverse;
}

.feature-text {
  flex: 1;
}

.feature-visual {
  flex: 1;
  display: flex;
  justify-content: center;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: var(--space-lg);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-list .icon-wrap {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 2px;
}

/* Feature Tabs in fingerprint section */
.feature-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
  margin-top: var(--space-lg);
}

.feature-tab {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all var(--duration-normal);
}

.feature-tab:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.feature-tab.active {
  background: var(--accent-gradient);
  color: #0a0a0f;
  border-color: transparent;
}

/* ── Visual Cards (fingerprint mockup) ───────────────── */
.fingerprint-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 460px;
  width: 100%;
}

.fp-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.fp-header h4 {
  font-size: 1rem;
  font-weight: 700;
}

.fp-header .fp-status {
  margin-left: auto;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(72, 187, 120, 0.12);
  color: var(--success);
  font-weight: 600;
}

.fp-rows {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.fp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.fp-row .label {
  color: var(--text-muted);
  font-weight: 500;
}

.fp-row .value {
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* ── Use Cases ───────────────────────────────────────── */
.use-cases {
  padding: var(--space-section) 0;
  background: var(--bg-secondary);
}

.use-cases .container {
  text-align: center;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: left;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.use-case-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.use-case-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.use-case-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.use-case-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Automation Visual ───────────────────────────────── */
.automation-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 480px;
  width: 100%;
}

.auto-flow {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auto-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  font-size: var(--text-sm);
  transition: all var(--duration-normal);
}

.auto-step:hover {
  border-color: var(--accent);
}

.auto-step .step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #0a0a0f;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.auto-step .step-text {
  color: var(--text-primary);
  font-weight: 500;
}

.auto-step .step-status {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--success);
  font-weight: 600;
}

/* ── Sync Section ────────────────────────────────────── */
.sync-visual {
  max-width: 500px;
  width: 100%;
}

.sync-devices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.sync-device {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  transition: all var(--duration-normal);
}

.sync-device:hover {
  border-color: var(--accent);
}

.sync-device .device-id {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 0.5rem;
}

.sync-device .device-screen {
  width: 60px;
  height: 100px;
  background: var(--bg-secondary);
  border-radius: 8px;
  margin: 0 auto 0.5rem;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sync-device .device-screen .dot-active {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

.sync-device .device-status {
  font-size: 0.7rem;
  color: var(--success);
  font-weight: 600;
}

.sync-link {
  text-align: center;
  font-size: 0.75rem;
  color: var(--accent);
  margin-top: 1rem;
  font-weight: 600;
}

/* ── Teamwork / Tabs Section ─────────────────────────── */
.teamwork {
  padding: var(--space-section) 0;
}

.teamwork-tabs {
  display: flex;
  gap: 0.5rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.teamwork-tab {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all var(--duration-normal);
}

.teamwork-tab:hover, .teamwork-tab.active {
  background: var(--accent-gradient);
  color: #0a0a0f;
  border-color: transparent;
}

.teamwork-panel {
  display: none;
}

.teamwork-panel.active {
  display: block;
}

.teamwork-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.teamwork-card h4 {
  font-size: var(--heading-md);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.teamwork-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.teamwork-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.tw-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}

.tw-feature .tw-icon {
  width: 24px;
  height: 24px;
  color: var(--accent);
  flex-shrink: 0;
}

.tw-feature h5 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.tw-feature p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ── Pricing ─────────────────────────────────────────── */
.pricing {
  padding: var(--space-section) 0;
  background: var(--bg-secondary);
}

.pricing .container {
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: left;
  position: relative;
  transition: all var(--duration-normal);
}

.pricing-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(79, 172, 254, 0.1);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #0a0a0f;
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.pricing-tier {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 0.25rem;
}

.pricing-price .currency {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
  vertical-align: super;
}

.pricing-price .period {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.pricing-features .check {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* ── Auth Modal ──────────────────────────────────────── */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.auth-overlay.open {
  opacity: 1;
  visibility: visible;
}

.auth-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s var(--ease-out);
}

.auth-overlay.open .auth-modal {
  transform: translateY(0) scale(1);
}

.auth-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
  transition: color 0.2s;
}

.auth-close:hover {
  color: var(--text-primary);
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: 0.75rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.auth-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.auth-tab:hover {
  color: var(--text-primary);
}

.auth-field {
  margin-bottom: 1rem;
}

.auth-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.auth-field input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.auth-field input:focus {
  outline: none;
  border-color: var(--accent);
}

.auth-field input::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

.auth-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
}

.auth-remember {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
}

.auth-remember input[type="checkbox"] {
  accent-color: var(--accent);
}

.auth-forgot {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.8rem;
}

.auth-forgot:hover {
  text-decoration: underline;
}

.auth-submit {
  width: 100%;
  padding: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.25rem 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-top: 1px solid var(--border);
}

.auth-social {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.7rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.auth-social:hover {
  border-color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
}

@media (max-width: 480px) {
  .auth-modal {
    margin: 1rem;
    padding: 1.5rem;
  }
}

/* ── Footer ──────────────────────────────────────────── */
.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-top: var(--space-md);
  max-width: 300px;
}

.footer-col h5 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--duration-fast);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ── Scroll Animations ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-content { max-width: 100%; }

  .hero-bullets {
    align-items: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual { margin-top: 2rem; }

  .feature-section .container {
    flex-direction: column;
    text-align: center;
  }

  .feature-section.reverse .container {
    flex-direction: column;
  }

  .feature-list {
    align-items: center;
  }

  .use-case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .teamwork-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-actions .btn-outline { display: none; }
  .hamburger { display: flex; }

  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .sync-devices {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .platform-scroll {
    gap: 1.5rem;
  }

  .floating-badge {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-phone-mockup {
    width: 220px;
    height: 440px;
  }

  .phone-app-grid {
    gap: 0.6rem;
  }

  .phone-app-icon {
    width: 38px;
    height: 38px;
  }

  .feature-tabs {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ── Reduced Motion ──────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html { scroll-behavior: auto; }
}